Rɔba rollers, sɛ core functional components wɔ processes te sɛ transmission, calendering, ne coating, wɔn material su kyerɛ tẽẽ adwumayɛ pɛpɛɛpɛ, etu mpɔn, ne product quality a mfiri no. Saa asɛm yi de nhyehyɛe hwɛ mfiri su ne nnuru su a ɛwɔ rɔba roller nneɛma atitiriw te sɛ abɔde mu rɔba, nitrile rɔba, silicone rɔba, ne fluorine rɔba mu. Ɛdenam mfiridwuma mu nsɛm ahorow a wɔhwehwɛ sɛ wɔde di dwuma a ɛka bom so no, ɛhwehwɛ ntease titiriw a ɛwɔ nneɛma a wɔpaw mu no mu kɔ akyiri, na ɛde adesua ne mfaso a wɔde gyina so nyinaa ma wɔ mfiridwuma mu paw ho wɔ nnwuma te sɛ mfiridwuma mu nneɛma a wɔyɛ, nhoma tintim ne nneɛma a wɔde kyekyere nneɛma, ne ntama a wɔde kɔla ne nhoma tintim mu. Da mmara titiriw a ɛne sɛ "nneɛma a wɔde yɛ rɔba rollers no na ɛkyerɛ sɛnea wɔde bedi dwuma".
I. Nneɛma a Wɔkyekyɛ ne Core Performance Parameters of Rubber Rollers
Rɔba rollers adwumayɛ no, wɔde molecule nhyehyɛe a ɛwɔ base rubber no mu, crosslinking kwan ne additive formula no bom kyerɛ. Nsonsonoe titiriw a ɛwɔ adwumayɛ mu wɔ nneɛma atitiriw mu no yɛ nea ɛho hia, na ɛma wonya nnyinaso a wɔde bɛsakra tebea no
1.Abɔde mu rɔba (NR) roller
Core adwumayɛ: Tensile ahoɔden 20-30MPa, rebound rate > 70%, a ɛkyɛn so wear resistance, Shore hardness 50-70A, adwumayɛ ɔhyew range -5 digrii kosi 80 digrii .
Adwumayɛ ho nneɛma: Ɛda nsow a ɛyɛ den na ɛyɛ mmerɛw, mfiri a ɛyɛ nnam a ɛyɛ den, etumi siw nhyɛso a ɛyɛ hu ano yiye, nanso ɛnyɛ ngo a ɛko tia ne ozone a ɛko tia.
2. Nitrile rɔba (NBR) a wɔde twitwiw nneɛma
Core adwumayɛ: Tensile ahoɔden 15-25MPa, Shore hardness 55-75A, volume swelling rate wɔ mineral ngo ne hydraulic ngo a ennu 10%, adwumayɛ ɔhyew range -20 digrii kosi 100 digrii .
Adwumayɛ ho nneɛma: Ɛwɔ ngo a ɛko tia ne nea ɛko tia sɛ ɛbɛsɛe, mfiridwuma ahoɔden a ɛkɔ fam, ɛko tia denneennen wɔ nsɛm a ɛnyɛ -polar media ho, nanso sɛ wɔkyekyem pɛpɛɛpɛ a, ɛko tia ɔhyew a ɛba fam- ne wim tebea a ɛko tia.
3. Silicone rɔba (VMQ) a wɔde twitwiw nneɛma
Core adwumayɛ: Shore hardness 40-60A, adwumayɛ ɔhyew range -60℃C kosi 250℃C, a ɛkyɛn so soro ne fam ɔhyew pintinn, low surface friction coefficient, biocompatibility di USP Class VI gyinapɛn ahorow.
Adwumayɛ ho nneɛma: Ɛwɔ ɔhyew a ɛkorɔn-ɔhyew onyin a ɛko tia ne insulation adwumayɛ a ɛda nsow, ɛnyɛ den sɛ wɔbɛsɛe no na ɛnbata nneɛma ho, nanso ne mfiri ahoɔden ne nea ɛko tia asɛe no yɛ mmerɛw sen nea ɛwɔ abɔde mu rɔba ne nitrile rɔba mu.
4. Fluorine rɔba (FKM) a wɔde twitwiw nneɛma
Core adwumayɛ: Tensile ahoɔden 15-20MPa, Shore hardness 60-80A, adwumayɛ ɔhyew range -20 digrii C kosi 260 digrii C, gyina acid a ano yɛ den, alkali a ano yɛ den, oxidants a ano yɛ den ne wimhyɛn mu pɛtro ne nsɛm afoforo a ɛyɛ mmerɛw.
Adwumayɛ ho nneɛma: Ɛwɔ nnuru a ɛyɛ den yiye a ɛtumi gyina pintinn na ɛko tia ɔhyew a ɛkorɔn, ɛkyɛ, nanso ɛho ka yɛ den kakra, na ne ahoɔden ne nea wotumi di ho dwuma no nyɛ papa koraa.
5. Chloroprene rɔba (CR) a wɔde twitwiw nneɛma
Core adwumayɛ: Tensile ahoɔden 25-35MPa, Shore hardness 50-70A, ozone onyin resistance grade kosi ASTM D1149 Class A, adwumayɛ ɔhyew kwan -30 digrii C kosi 100 digrii C, oxygen index > 38.
Nneɛma a ɛma ɛyɛ adwuma: Wim tebea a ɛkari pɛ a ɛko tia, ogya a ɛmma ogya ntumi nhyew ne nnuru a ɛmma nsɛe, mfiri ahoɔden a ɛkorɔn, nanso ngo a ɛyɛ mmerɛw sen nitrile rɔba.
Ii. Nneɛma - Scene Adaptation: Rɔba Rollers a Wɔde Di Dwuma Pɛpɛɛpɛ
Ahwehwɛde a ɛfa ɔhyew, mfinimfini, nhyɛso, friction coefficient, ne nea ɛkeka ho a ɛwɔ rɔba rollers mu wɔ mfiridwuma tebea ahorow mu no gu ahorow kɛse. Ɛsɛ sɛ nneɛma a wɔpaw no nya "adwumayɛ - ahwehwɛde" a ɛne ne ho hyia pɛpɛɛpɛ.
1. Ntintim ne nneɛma a wɔde kyekyere nneɛma: Ink transfer ne wear-resistant compatibility a ɛyɛ pɛ akyi di
Nneɛma a ɛne no hyia: Abɔde mu rɔba (NR) rollers, nitrile rɔba (NBR) rollers
Ntease a wɔde di dwuma: Wɔ tintim nhyehyɛe no mu no, abɔde mu rɔba rollers a ɛyɛ den kɛse ne ahoɔden a ɛkyɛn so no betumi ahwɛ ahu sɛ wɔde ink bedi dwuma pɛpɛɛpɛ, na wɔakwati ink nsensanee ne tintim a wɔayera. Wɔ tebea horow a ink solvents di nkitaho mu no, nitrile rɔba rollers ngo a ɛko tia no betumi asiw ade no kwan sɛ ɛbɛhonhon na ansɛe, na ama wɔahwɛ ahu sɛ wɔatintim no pɛpɛɛpɛ.
Nneɛma a wɔtaa de di dwuma: Ink transfer rollers a wɔde yɛ offset tintim mfiri, pressure rollers a wɔde yɛ gravure tintim mfiri, ne laminating rollers a wɔde yɛ packaging films.
2. Ntama tintim ne kɔla adwumayɛ: Ɔhyew a wɔko tia ne anti-efĩ ahwehwɛde ahorow a ɛkari pɛ
Nneɛma a ɛne no hyia: Silicone rɔba (VMQ) rollers, chloroprene rɔba (CR) rollers
Nteaseɛ a wɔde di dwuma: Wɔ ɔhyew a ɛkorɔn-ɔhyew nhyehyɛe fã a ɛwɔ tintim ne kɔla nhyehyɛe no mu (ɔhyew 150-200 digrii ), ɔhyew a ɛkorɔn-a ɛko tia silicone rɔba rollers betumi asiw ɔhyew onyin ne deformation ano, na non-stick su a ɛwɔ soro no ma nhama no brɛ asaawa a ɛkyekyere no ase. Wɔde neoprene rɔba na ɛyɛ ntama a ɛkyerɛ abɔnten ntama mfiri no kwan, a ɛwɔ ahoɔden a ɛko tia wim tebea yiye na ama mframa a ano yɛ den ne mmeae a ɛhɔ yɛ nwini asɛe no, na ɛnam so ama wɔn nkwa nna akyɛ.
Typical applications: Ntama nhyehyɛe afiri nhyɛso roller, dyeing ne finishing mfiri ntama akwankyerɛ roller, ntama tintim afiri scraper roller.
3. Dade a wɔyɛ adwuma: Ɛko tia ngo nkekae ne nhyɛso kɛse-nhyɛso adwumayɛ tebea horow
Nneɛma a ɛne no hyia: Nitrile rɔba (NBR) rollers, fluorine rɔba (FKM) rollers
Nteaseɛ a wɔde di dwuma: Wɔ dadeɛ mprɛte a wɔabobɔw a ɛyɛ nwini-ayɛ ne aluminium foil ho dwumadie mu no, ɛhia sɛ rɔba rollers ne ngo a wɔde twa, emulsions ne nsɛm foforɔ di nkitaho. Nitrile rɔba a ngo a ɛko tia no betumi asiw nneɛma a ɛho ahonhon ano, na bere koro no ara mu no, ɛwɔ mfiri ahoɔden a ɛdɔɔso a ebetumi agyina nhyɛso a ɛkɔ soro-a ɛbobɔw ano. Wɔ high-end dade dwumadie mfiri a ɛba nkitahodie a ɛyɛ corrosive coolants, nnuru a ɛko tia fluororubber rollers hwɛ hu sɛ ɛyɛ adwuma pintinn wɔ katee nsɛm ho amanneɛbɔ.
Nneɛma a wɔtaa de di dwuma: Mmoa nhoma mmobɔwee a wɔde boa dade a ɛyɛ nwini a wɔde twitwiw nneɛma, nhyɛso nhoma mmobɔwee ma aluminum foil slitting mfiri, ne akwankyerɛ nhoma mmobɔwee ma mfiri a wɔde stamping pɛpɛɛpɛ.
4. Nnwuma a wɔyɛ aduan ho adwuma: Di ahobammɔ ne ɔhyew a ɛko tia ho ahwehwɛde ahorow ho dwuma
Nneɛma a ɛne no hyia: Silicone rɔba (VMQ) roller
Ntease a wɔde di dwuma: Wɔ akwan horow te sɛ aduan a wɔde fa nneɛma so, bisket kalenda, ne chocolate a wɔde kata so mu no, sɛnea silicone rɔba rollers no tumi ne nneɛma a nkwa wom hyia no betumi asiw aduan mu efĩ ano. Wɔn ɔhyew a ɛkorɔn-ɔhyew a ɛko tia no fata ma ɔhyew a ɛkorɔn-tenabea a ɛwɔ dwumadie fã no mu (80-150℃), na wɔn ani a ɛnyɛ den-sɛ wɔbɛhohoro wɔn ani no ne aduane ahotew gyinapɛn hyia.
Nneɛma a wɔtaa de di dwuma: Nhyɛso rollers ma aduan conveyor belts, rolls ma biscuit forming mfiri, akwankyerɛ rollers ma candy packaging mfiri.
5. High-end equipment field: Nneɛma a atwa yɛn ho ahyia ho nsɛnnennen a emu yɛ den a wobedi ho dwuma
Nneɛma a ɛne no hyia: fluororubber (FKM) rollers, silicone rɔba rollers soronko
Nteaseɛ a wɔde di dwuma: Wɔ tebea horow te sɛ ahunmu nneɛma a wɔde di dwuma ne nneɛma a wɔde kɔ baabi foforo wɔ nnuru a wɔde yɛ adwuma mu no, ɛsɛ sɛ fluororubber rollers gyina ɔhyew a ano yɛ den (-50℃to 250℃) ne nsɛm a ɛyɛ den a ɛma nneɛma asɛe ano. Nnuru a fluororubber rollers no gyina pintinn ne ɔhyew a ɛkɔ soro a ɛko tia no betumi adi ahwehwɛde ahorow a ɛyɛ den no ho dwuma. Wɔ semiconductor adwumayɛ mu no, wɔde silicone rɔba soronko na ɛyɛ wafer transfer rollers no, a ne ho tew kɛse ne ne insulation adwumayɛ betumi asiw efĩ a ɛwɔ wafers no mu ano.
Typical applications: wimhyɛn fã grinding mfiri rollers, nnuru nneɛma a wɔde fa rollers, semiconductor wafer transfer rollers.
Iii. Nnyinasosɛm Titiriw ne Akwankyerɛ a Wɔde Yɛ Nneɛma a Ɛyɛ Fɛ a Wɔde Paw Nneɛma
Ɛsɛ sɛ rɔba rollers a wɔpaw no di nnyinasosɛm atitiriw abiɛsa a ɛne "adwuma tebea a edi kan, adwumayɛ a ɛne ne ho hyia, ne ɛka a ɛkari pɛ" akyi : Nea edi kan no, kyerɛkyerɛ adwumayɛ tebea titiriw no mu pefee te sɛ adwumayɛ hyew, contact medium, ne pressure load Nea ɛto so abien, hyia ɔhyew a ɛko tia kwan, nnuru a ɛne ne ho hyia ne mfiridwuma su a ɛwɔ ade no mu sɛnea parameters no te. Awiei koraa no, wɔ adwene a ɛne sɛ wobedi adwumayɛ ho ahwehwɛde ahorow ho dwuma ase no, ɛsɛ sɛ wosusuw nneɛma a wɔde yɛ adwuma no ho ka ne sɛnea wobetumi ayɛ ho adwuma no nyinaa ho.
Daakye, rɔba roller nneɛma a wɔbɛyɛ no bɛtwe adwene asi akwan titiriw abien so: biako ne nneɛma a atwa yɛn ho ahyia a wɔbɛma atu mpɔn, rɔba a ɛtumi sɛe ne nneɛma a wɔde ka ho a -VOC sua a wɔbɛyɛ de atew nneɛma a atwa yɛn ho ahyia so; Nea ɛto so abien ne functional compounding. Ɛnam nsakraeɛ a wɔde frafra mu (te sɛ nitrile rɔba a wɔde polyvinyl chloride frafra) anaasɛ mfiridwuma a wɔde kata so no so no, wɔbɛtumi ayɛ adwumayɛ ahodoɔ pii a wɔde bɛka abom te sɛ "ahyɛnsodeɛ a ɛko tia + ngo a ɛko tia + ɔhyeɛ a ɛko tia", na ɛbɛtrɛ dwumadie ahyeɛ mu bio wɔ nnwuma a ɛkorɔn-awieɛ mu.
